The two specific diagnosis noted in the DSM-IV include anorexia nervosa, bulimia nervosa, and binge-eating disorder.
1. Anorexia nervosa:
Generally, This Eating Disorder is characterized by refusal to maintain a minimally normal body weight.
Prominent clinical features:
It occurs much more often in females as compared to the males. In detail, The common age of onset is adolescence (13-19 years of age). [1]
There is an intense fear of becoming obese. Additionally, This fear does not decrease even if body becomes very thin and underweight. [1]
The Eating Disorder, Anorexia, is a unique reaction to a variety of external and internal conflicts, such as stress, anxiety, unhappiness also feeling like life is out of control. [2]
There is often a body-image disturbance. The person is unable to perceive own body size accurately. [1]
New research indicates that for a percentage of sufferers, a genetic predisposition may play a role in a sensitivity to develop Besides this, Anorexia, with environmental factors being the trigger. [2]
People with anorexia nervosa typically weigh themselves repeatedly, severely restrict the amount of food they eat, and eat very small quantities of only certain foods. Lastly, They may be afraid of losing control over the amount of food they eat, accompanied by the desire to control their emotions and reactions to their emotions. [2]
Mortality rate
Anorexia nervosa has the highest mortality rate of any mental disorder. While many young women and men with this disorder die from complications associated with starvation, others die of suicide. In women, suicide is much more common in those with anorexia than with most other mental disorders.
With a low self-esteem and need for acceptance they will turn to obsessive dieting and starvation as a way to control not only their weight, but their feelings also actions regarding; the emotions attached. [2]
Some also feel that they do not deserve pleasure out of life, and will deprive themselves of situations offering pleasure (including eating). [2]
Amenorrhoea, primary or secondary, is often present in females. Women with anorexia nervosa can present with poor sexual adjustment, with conflicts about being a woman and fear of pregnancy. [1]
Behavioral signs
Some of the behavioural signs can be: obsessive exercise, calorie and fat gram counting, starvation and restriction of food, self-induced vomiting, the use of diet pills, laxatives or diuretics to attempt controlling weight, and a persistent concern with body image. [2]
If untreated, the weight loss can become marked. Death may occur due to hypokalemia (caused by self-induced vomiting), dehydration, malnutrition or congestive cardiac failure (caused by anaemia). [1]
Symptoms include:
- Extremely restricted eating
- Extreme thinness (in other words, emaciation)
- A relentless pursuit of thinness and unwillingness to maintain a normal or healthy weight
- Intense fear of gaining weight.
- Distorted body image, a self-esteem that is heavily influenced by perceptions of body weight and shape, or a denial of the seriousness of low body weight.
2. Bulimia nervosa:
It is characterized by recurrent and frequent episodes of eating unusually large amounts of food and feeling a lack of control over these episodes. This binge-eating is followed by behavior that compensates for the overeating such as forced vomiting, excessive use of laxatives or diuretics, fasting, excessive exercise, or a combination of these behaviors. [2]
There is an intense fear of becoming obese. There may be an earlier history of anorexia nervosa.
It is usually body-image disturbance and the person is unable to perceive own body size accurately. [1]
There is a persistent preoccupation with eating, and an irresistible craving for food. There are episodes of overeating in which large amounts of food are consumed within short periods of time (in other words, eating binges). [1]
This can be indirect relation to how they feel about themselves, or how they feel over a particular event or series of events in their lives. [2]
Reasearch
New research indicates that for a percentage of sufferers, a genetic predisposition may play a role in a sensitivity to develop Bulimia, with environmental factors being the trigger. [2]
Men and women suffering Bulimia are usually aware they have an eating disorder. [2]
Fascinated by food they sometimes buy magazines and cookbooks to read recipes, and enjoy discussing dieting issues. [2]
Some of the behavioural signs can be: Recurring episodes of rapid food consumption followed by tremendous guilt and purging (i.e. laxatives or self-induced vomiting), a feeling of lacking control over his or her eating behaviours, regularly engaging in stringent diet plans and exercise, the misuse of laxatives, diuretics, and/or diet pills and a persistent concern with body image can all be warning signs someone is suffering with Bulimia. [2]
Symptoms i.e.:
- Chronically inflamed and sore throat
- Swollen salivary glands in the neck and jaw area
- Worn tooth enamel and increasingly sensitive and decaying teeth as a result of exposure to stomach acid
- Acid reflux disorder and other gastrointestinal problems
- Intestinal distress and irritation from laxative abuse
- Severe dehydration from purging of fluids
- Electrolyte imbalance (too low or too high levels of sodium, calcium, potassium and other minerals) which can lead to stroke or heart attack.
3. Compulsive Overeating or Binge Eating disorder :
Binge-eating disorder is the most common eating disorder in the U.S. People with binge-eating disorder lose control over his or her eating. Unlike bulimia nervosa, periods of binge-eating are not followed by purging, excessive exercise, or fasting.
As a result, people with binge-eating disorder often are overweight or obese. [1]
Additionally, there also may be eating of large amounts of food throughout the day with no planned meal times, eating alone because of being embarrassed, and/or feeling guilty and depressed after overeating. [1]
The disorder is not listed separately in ICD-10 and symptoms of binge eating are also seen in bulimia nervosa. [1]
Fear of not being able to control eating, also while eating, not being able to stop. [2]
Isolation. Fear of eating around and with others. [2]
Chronic dieting on a variety of popular diet plans. [2]
Holding the belief that life will be better if they can lose weight. [2]
Symptoms include:
- Eating unusually large amounts of food in a specific amount of time
- Eating until you are uncomfortably full.
- Feeling distressed, ashamed, or guilty about your eating.
- Frequently dieting, possibly without weight loss.
- Hiding food in strange places ( e.g. closets, cabinets, suitcases, under the bed) to eat at a later time. Either Vague or secretive eating patterns. [2]
- Self-defeating statements after food consumption. [2]
- Eating even when you’re full or not hungry.
- Eating fast during binge episodes.
- Blames failure in social and professional community on weight. [2]
- Holding the belief that food is their only friend. [2]
Other symptoms
- Frequently out of breath after relatively light activities. [2]
- Excessive sweating also shortness of breath. [2]
- High blood pressure also cholesterol. [2]
- Eating alone or in secret to avoid embarrassment.
- Leg and joint pain. [2]
- Weight gain. [2]
- Decreased mobility due to weight gain. [2]
- Loss of either sexual desire or promiscuous relations. [2]
- Mood swings, depression, fatigue. [2]
- Insomnia, poor sleeping habits. [2]
4. Obesity (Overeating Associated with Other Psychological Disturbances):
Obesity caused by a reaction to distressing events is included here. It caused by drugs or endocrine factors, or due to constitutional factors is not considered a psychiatric disorder. [1]
5. Psychogenic Vomiting:
This is clinical syndrome in which biopsychosocial factors interact to produce symptoms which are often mistaken for upper gastrointestinal tract disease, anorexia nervosa, dissociative (conversion) disorder, somatization disorder, or malingering.
The characteristic clinical features include:
- Repeated vomiting, which typically occurs soon after a meal has begun or just after it has been completed.
- Vomiting often occurs in complete absence of nausea or retching (Patients say that food just seems to come back up).
- Vomiting is often self-induced and can be suppressed, if necessary.
- Despite repeated vomiting, weight loss is not usually significant.
- The course of illness is usually chronic with frequent remissions and relapses.